When you do that, just fire up Origin and press install on Sims 4, it'll detect there is already complete data on your HDD and will just verify files check for errors. Besides EA games documents you can also copy whole rownload folder of Sims 4 so you don't need to download it. How do i download Sims 4 on another computer? - Answer HQ Can I run Sims 4 off an external hard drive? - Information storage methods.How do i download Sims 4 on another computer? - Answer HQ.